Papers, Addresses, Reports: American Science in the Philippines (Presidential address); The Trusteeship of the National Park Service; The Benefits and Dangers of our Natural Heritage; Extract from the Report of the Section Chairman...

Papers, Addresses, Reports: Conservation Research Program of the Illinois Natural History Survey (Presidential Address); The Betatron; Excerpts from Lecture, "A Naturalist in the South Seas"; Extract from the Report of the Section Chairman...

Papers, Addresses, Reports: Early Pennsylvanian Microfaunas of the Illinois Basin; Record of Mississippi River Diversion in the Morton Loess of Illinois; Growth and Pigment Studies of Pullularia pullularts; Chemistry Education at the...

Papers, Symposia, Addresses, Reports: The Academy's Opportunities for Usefulness; Cultural Affinities and Differences in Illinois Archaeology; The Use of Animal Life by the Mound-building Indians of Illinois; Geology and the Indian Mounds;...

Papers, Addresses, Reports: Evolution of Sex in the Mollusca (Address of the Retiring President); The 1937 Flood in Southern Illinois; Extract From the Report of the Section Chairman (Agriculture); Evening Schools for Adult Farmers; The Art and...

Papers, Addresses, Reports: Interglacial and postglacial vegetation of Illinois; Plant growth and growth hormones; State forestry in Illinois; Some new exhibits and undertakings of the Illinois State Museum; Extract From the Report or the...

Papers, Addresses, Reports: Advancement in the Science of Public Health; Medical Science, its Past, Present, and Future; Psychiatry in the Criminal Courts of Cook County; Memoirs: Ulysses Sherman Grant, John Paul Goode; Extract from the Report...